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Determine the magnitude and direction of the resultant of the two forces shown knowing that P = 4 kips and Q = 8 kips.
Brass wire with a weight per unit length w is used to form the figure shown. Determine the mass products of inertia a Ixy, Iyz, and Izx of the wire
An enclosure for an electronic device is formed from sheet metal of uniform thickness. Locate the center of gravity of the enclosure.
An access road is closed by hanging a chain of length 3.8 m across the road. Knowing that the mass per unit length of the chain is 3.72 kg/m
An 8-kg cylinder C is released from rest in the position shown and drops onto a 5-kg platform A which is at rest and is supported by an inextensible
A uniform rod of mass m is supported by a pin at A and a spring of constant k at B and is connected at D to a dashpot of damping coefficient c.
A spacecraft is describing a circular orbit at an altitude of 930 mi above the surface of the earth.
A space shuttle ejects two communication satellites while describing a circular orbit, 296 km above the surface of the earth.
A space shuttle is in an elliptic orbit of eccentricity 0.0356 and a minimum altitude of 182 mi above the surface of the earth
A slender 10-kg bar AB of length l = 0.6 m is connected to two collars of negligible weight. Collar A is attached to a spring of constant k = 1.5kN/m
A slender rod of mass m and length l is suspended from two vertical springs, each of constant k as shown.
A simple pendulum consisting of a bob attached to a cord oscillates in a vertical plane with a period of 1.3s.
A semicircular hole is cut in a uniform square plate which is attached to a frictionless pin at its geometric center O. Determine
A satellite describes an elliptic orbit about a planet of mass M. Denoting by r0 and r1 , respectively, the minimum and maximum values of the distance
A rigid slab oscillates about a fixed point O. Show that the smallest period of oscillation occurs when the distance r from point O to the mass center G
A plane contains the vectors A and B. Determine the unit vector normal to the plane when A and B equal to, respectively
Water, air, and land heat up at different rates, which is evident when you jump from a hot concrete pool deck into a pool in the summer.
A 10-lb block A rests on a 40-lb plate B which is attached to an un-stretched spring of constant k = 60 lb/ft. Plate B is slowly moved 2.4 in
A 1.8-kg uniform rod is supported by a pin at O and a spring at A and is connected to a dashpot at B. Determine
What is the net force acting on a car cruising at a constant velocity of 70 km/h
When an object of mass 5 kg is suspended from a spring, the spring is observed to stretch by 8 cm. The deflection of the spring is related linearly
Identify objects around your house that can hold liquids write a list how many did you find
What is the pressure at any point at the bottom of the tank? (You can ignore atmospheric pressure when calculating your answer.)
The following map projections are used in areas of Canada other than BC. Briefly describe each, indicating where they are used.
Find the safety factor at 4,500 ft for an unlined, circular shaft wall. Assume the same rock properties.